Seiko Cal. 4439 - 971

The 4439-971 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4439 caliber with 34j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-4a3d10a72cbb]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1985

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