Seiko Cal. 6627 - 291

This Automatic model from 1974 features a 43mm Stainless Steel case. Powered by the 6627 caliber with 31j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-749447f28ecb]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1974

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