Seiko Cal. 3892 - 521

Seiko 3892-521

This Kinetic model from 1985 features a 34mm Titanium case. Powered by the 3892 caliber with 28j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-fecc66f105df]

Also known as: Tuna, Helmet

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
34mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Cream
Jewels
28j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1985

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