Seiko Cal. 4439 - 937

This Hand-Winding model from 1965 features a 39mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-6a37904ab1a7]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1965

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