Seiko Cal. 3899 - 440

Seiko 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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