Seiko Cal. 5648 - 891

The Seiko 5648-891 represents an important milestone in Seiko's 1968 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-294d38349a37]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1968

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