Seiko Cal. 5637 - 788

The Seiko 5637-788 represents an important milestone in Seiko's 1992 lineup. It features a White dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-058950bbc2c0]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1992

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