Seiko Cal. 5640 - 774

The Seiko 5640-774 represents an important milestone in Seiko's 1985 lineup. It features a Cream dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-4c71b32db49e]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1985

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