Seiko Cal. 5653 - 638

The Seiko 5653-638 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-872e6e231e85]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1978

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