Seiko Cal. 4461 - 907

This Spring Drive model from 1977 features a 46mm Two-Tone case. Powered by the 4461 caliber with 28j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-11cb09622ef6]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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