Seiko Cal. 5288 - 101

This Spring Drive model from 1965 features a 37mm Hardlex-Coated Steel case. Powered by the 5288 caliber with 27j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-8b25e4050f96]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1965

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