Rotary Seamatic 100 Automatic
A versatile automatic sports watch featuring 100M water resistance.
This watch comes with a base 2 year warranty, which can be extended by another year by registering within 90 days of purchase.
Measure your wrist using our print out sizing guide.
Movement: Automatic
Band: Bracelet
Glass: Sapphire
WR:
Case Colour: Two-tone
Case Diameter:
Case Height:
Feature: Date
Dial: Blue
The Seamatic 100 is built for those who want everyday reliability with a touch of refinement. Its 40mm 316L stainless steel case, paired with a 47mm lug-to-lug, gives the watch a balanced, versatile wrist presence. The sunray blue dial offers a clean, modern finish, supported by Japanese Super-Luminova hands and indices for strong visibility in low light. Sapphire glass provides lasting clarity and scratch resistance, while the screw-down crown and 100m water resistance reinforce its practical capability.
Powered by the dependable Miyota 8215 automatic movement, the Seamatic 100 delivers consistent performance day after day. An exhibition caseback reveals the movement in motion, adding mechanical character beneath its refined exterior. The solid, milled clasp completes the construction, ensuring secure comfort on the wrist.
The Seamatic 100 delivers a straightforward, capable automatic tool watch with a polished edge.
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Rotary Seamatic 100 Automatic
316L Steel
Automatic Movement
Sapphire Glass
