Seiko Cal. 0739 - 139

The Seiko 0739-139 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-69e793551403]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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