Seiko Cal. 5281 - 764

This Spring Drive model from 1977 features a 37mm PVD Black case. Powered by the 5281 caliber with 17j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-2150b00df827]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1977

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