Seiko Cal. 3880 - 497

This Hand-Winding model from 1971 features a 42mm PVD Black case. It features a Champagne dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-c6a83e565b30]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1971

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