Seiko Cal. 6681 - 630

This Quartz model from 1994 features a 37mm PVD Black case. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-373edf9ea57d]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1994

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