Seiko Cal. 3880 - 850

This Spring Drive model from 1966 features a 42mm Titanium case. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-a99c31dbf7ae]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1966

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