Seiko Cal. 4439 - 615

This Spring Drive model from 1967 features a 35mm Stainless Steel case. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-6f76a8e27391]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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