Seiko Cal. 5638 - 776

The Seiko 5638-776 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-a788fd88c7d4]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1979

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