Seiko Cal. 3899 - 440

The 3899-440 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3899 caliber with 29j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-be0dc9fd7a14]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1985

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