Seiko Cal. 5630 - 681

This Hand-Winding model from 1972 features a 41mm Titanium case. With its 19mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-e89d60f75212]

Also known as: Rally, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1972

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