Seiko Cal. 5257 - 155

This Quartz model from 1973 features a 44mm Titanium case. Powered by the 5257 caliber with 19j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-8c552df8158b]

Also known as: Bullhead, Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1973

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