Seiko Cal. 5644 - 697

The Seiko 5644-697 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-39216cf9e590]

Also known as: Sumo, Panda

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1969

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