Seiko Cal. 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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