Seiko Cal. 5645 - 150

This Solar model from 1977 features a 40mm Two-Tone case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9165d77a8e42]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1977

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