Seiko Cal. 4437 - 143

This Spring Drive model from 1984 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-f9de26490499]

Also known as: Shogun, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1984

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