Seiko Cal. 5647 - 610

This Quartz model from 1977 features a 42mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-b041e075de4d]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

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