Seiko Cal. 6390 - 613

Seiko 6390-613

This Automatic model from 1986 features a 40mm Titanium case. Powered by the 6390 caliber with 22j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-6dfa18c0d753]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
12.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
160m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1986

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