Seiko Cal. 5651 - 383

This Spring Drive model from 1981 features a 38mm Hardlex-Coated Steel case. Powered by the 5651 caliber with 27j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-9abde97055a5]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1981

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