Seiko Cal. 5288 - 377

This Spring Drive model from 1967 features a 36mm Titanium case. Powered by the 5288 caliber with 32j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-6ce6cd5aab80]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

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