Seiko Cal. 7139 - 850

Seiko 7139-850

The Seiko 7139-850 represents an important milestone in Seiko's 1996 lineup. Powered by the 7139 caliber with 31j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-1984a5ae5c0b]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
13.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1996

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seikata-wm-1984a5ae5c0b