Seiko Cal. 5257 - 933

This Automatic model from 1974 features a 42mm Two-Tone case. Powered by the 5257 caliber with 28j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-0b1b1fc8c45c]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1974

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