Seiko Cal. 5644 - 123

This Solar model from 1966 features a 35mm Two-Tone case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-8e7c50bc735a]

Also known as: Navigator, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1966

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