Seiko Cal. 5262 - 557

This Hand-Winding model from 1972 features a 37mm PVD Black case. Powered by the 5262 caliber with 25j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-5441bec2817f]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1972

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