Seiko Cal. 5656 - 604

The Seiko 5656-604 represents an important milestone in Seiko's 1977 lineup. It features a Silver dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-c74eabc40eab]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

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