Seiko Cal. 0740 - 431

The Seiko 0740-431 represents an important milestone in Seiko's 1967 lineup. Powered by the 0740 caliber with 33j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-11a3b262aba8]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1967

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