Seiko Cal. 4550 - 306

Seiko 4550-306

This Hand-Winding model from 1984 features a 37mm Hardlex-Coated Steel case. Powered by the 4550 caliber with 28j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-702c5f6a987f]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Burgundy
Jewels
28j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1984

Related Models

seikata-wm-702c5f6a987f