Seiko Cal. 7137 - 178

Seiko 7137-178

The 7137-178 is a sought-after Solar piece from Seiko's golden era. Powered by the 7137 caliber with 31j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-b017e40134d3]

Also known as: Monster

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Black
Jewels
31j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1986

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