Seiko Cal. 5641 - 948

This Spring Drive model from 1990 features a 43mm PVD Black case. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-955b33c3abd8]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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