Seiko Cal. 6131 - 738

Seiko 6131-738

The Seiko 6131-738 represents an important milestone in Seiko's 1994 lineup. Powered by the 6131 caliber with 36j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-6ccc89db3906]

Also known as: Monster, Golden Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
White
Jewels
36j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1994

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