Seiko Cal. 7142 - 733

The Seiko 7142-733 represents an important milestone in Seiko's 1972 lineup. Powered by the 7142 caliber with 18j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-b6adf494d139]

Also known as: Bullhead, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1972

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