Seiko Cal. 0742 - 643

The Seiko 0742-643 represents an important milestone in Seiko's 1974 lineup. Powered by the 0742 caliber with 35j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-a2c7374081fa]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

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