Seiko Cal. 4421 - 987

Seiko 4421-987

This Kinetic model from 1969 features a 38mm PVD Black case. Powered by the 4421 caliber with 32j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-81cbd1721a53]

Also known as: Crown, Golden Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
38mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Burgundy
Jewels
32j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1969

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seikata-wm-81cbd1721a53