Seiko Cal. 6131 - 939

Seiko 6131-939

The 6131-939 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6131 caliber with 21j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-42e873859315]

Also known as: Tuna, Pogue

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
14.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Burgundy
Jewels
21j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1990

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seikata-wm-42e873859315