Seiko Cal. 4429 - 994

This Spring Drive model from 1980 features a 38mm Two-Tone case. Powered by the 4429 caliber with 34j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-b345dceb6ed0]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1980

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