Seiko Cal. 5656 - 307

The Seiko 5656-307 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-8cd0d6a65097]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1974

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