Seiko Cal. 5257 - 366

This Quartz model from 1983 features a 35mm Hardlex-Coated Steel case. Powered by the 5257 caliber with 27j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-69dc4490c30f]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1983

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