Seiko Cal. 6139 - 746

The Seiko 6139-746 represents an important milestone in Seiko's 1988 lineup. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-09fb39fd17a3]

Also known as: Rally, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1988

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