Seiko Cal. 5637 - 400

The 5637-400 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-cb0bbb2e87e6]

Also known as: Samurai, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1997

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