Seiko Cal. 7131 - 579

Seiko 7131-579

The 7131-579 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7131 caliber with 24j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-c63f1be205b4]

Also known as: Monster, Helmet

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
12.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Burgundy
Jewels
24j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1994

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seikata-wm-c63f1be205b4