Seiko Cal. 4439 - 335

This Spring Drive model from 1966 features a 44mm Hardlex-Coated Steel case. It features a White dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-b2429abfdf6e]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1966

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