Seiko Cal. 7139 - 181

Seiko 7139-181

The Seiko 7139-181 represents an important milestone in Seiko's 1993 lineup. With its 22mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-bc14c73724fb]

Also known as: World Timer, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1993

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