Seiko Cal. 7141 - 731

The Seiko 7141-731 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-e38732aafe00]

Also known as: Sumo, Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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