Seiko Cal. 5647 - 345

The Seiko 5647-345 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-e1b4caab8d93]

Also known as: Helmet, Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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