Seiko Cal. 7137 - 818

Seiko 7137-818

The 7137-818 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7137 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-79586f0bce1d]

Also known as: Sumo, Flighty

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
12.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
White
Jewels
31j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1995

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