Seiko Cal. 7137 - 480

The Seiko 7137-480 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-cd874fc3fdc3]

Also known as: Monster, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

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