Seiko Cal. 3878 - 990

Seiko 3878-990

This Kinetic model from 1990 features a 39mm Hardlex-Coated Steel case. Powered by the 3878 caliber with 36j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-1ab2c4eed3ba]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Navy
Jewels
36j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1990

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