Seiko Cal. 4477 - 926

This Hand-Winding model from 1972 features a 35mm Two-Tone case. Powered by the 4477 caliber with 31j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-e84e9cff17cb]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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