Seiko Cal. 4437 - 513

This Spring Drive model from 1975 features a 35mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-ad74e4ee8551]

Also known as: UFO, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1975

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