Seiko Cal. 6653 - 603

This Hand-Winding model from 1975 features a 37mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-3e8e960cd0e9]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1975

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