Seiko Cal. 5657 - 744

This Automatic model from 1985 features a 46mm Stainless Steel case. Powered by the 5657 caliber with 27j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-604498445e59]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1985

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