Seiko Cal. 5641 - 663

This Quartz model from 1981 features a 41mm Titanium case. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-f4d6a0792803]

Also known as: Panda, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1981

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