Seiko Cal. 5627 - 733

This Hand-Winding model from 1975 features a 37mm Titanium case. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-d45c08ab9f26]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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