Seiko Cal. 4439 - 959

The Seiko 4439-959 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-485bea4756ae]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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