Seiko Cal. 5616 - 427

Seiko 5616-427

This Automatic model from 1973 features a 39mm Titanium case. Powered by the 5616 caliber with 22j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-2b360779a2ad]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
14.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1973

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