Seiko Cal. 7137 - 427

Seiko 7137-427

The 7137-427 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-17ce0ec07cf3]

Also known as: Samurai, Bullhead

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
12.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1966

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