Seiko Cal. 5641 - 660

The Seiko 5641-660 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-b247985c320e]

Also known as: Shogun, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1974

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