Seiko Cal. 4556 - 777

Seiko 4556-777

This Automatic model from 1981 features a 34mm Titanium case. Powered by the 4556 caliber with 35j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-190d531ecfb2]

Also known as: Navigator

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
34mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
30m
Dial Color
Navy
Jewels
35j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1981

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