Seiko Cal. 4439 - 995

This Hand-Winding model from 1966 features a 46mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-28fc973dbf07]

Also known as: UFO, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1966

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