Seiko Cal. 3817 - 148

This Quartz model from 1998 features a 40mm Two-Tone case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e2e2a1ad49cd]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1998

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