Seiko Cal. 7140 - 749

This Quartz model from 1966 features a 43mm Two-Tone case. Powered by the 7140 caliber with 27j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-26092193ccae]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1966

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