Seiko Cal. 5621 - 391

Seiko 5621-391

This Kinetic model from 1985 features a 40mm Titanium case. Powered by the 5621 caliber with 20j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-489806a3bd63]

Also known as: Bullhead, Golden Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
40mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
60m
Dial Color
Champagne
Jewels
20j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1985

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seikata-wm-489806a3bd63