Seiko Cal. 5258 - 977

This Automatic model from 1965 features a 44mm Two-Tone case. Powered by the 5258 caliber with 35j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-cdb78617dcb1]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

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