Seiko Cal. 5631 - 764

This Quartz model from 1998 features a 36mm PVD Black case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-26d894f32620]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1998

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