Seiko Cal. 0743 - 794

This Spring Drive model from 1973 features a 42mm Two-Tone case. Powered by the 0743 caliber with 30j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-9edaf5d74c18]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1973

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