Seiko Cal. 7141 - 657

The Seiko 7141-657 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-b3f7dd6ea88e]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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