Seiko Cal. 5637 - 172

The 5637-172 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-e82ee68d2af9]

Also known as: Shogun, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1988

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