Seiko Cal. 6651 - 790

This Spring Drive model from 1968 features a 46mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-9ca4e589bcdf]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1968

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