Seiko Cal. 5637 - 394

The Seiko 5637-394 represents an important milestone in Seiko's 1985 lineup. It features a White dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-730690f0baa6]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1985

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