Seiko Cal. 4439 - 870

Released in 1983, the Cal. 4439 with design code 870 was part of Seiko's domestic market collection. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-2449c9eac7ed]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1983

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