Seiko Cal. 6632 - 344

This Automatic model from 1971 features a 40mm Hardlex-Coated Steel case. Powered by the 6632 caliber with 31j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-0562de7fc0a0]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1971

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