Seiko Cal. 4439 - 315

The 4439-315 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4439 caliber with 35j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-ea73a9a5b8aa]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1969

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