Seiko Cal. 4429 - 145

This Spring Drive model from 1978 features a 46mm Two-Tone case. Powered by the 4429 caliber with 22j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-3ab6c157d352]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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