Seiko Cal. 4550 - 615

Seiko 4550-615

This Hand-Winding model from 1970 features a 46mm Titanium case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-699fdd1991c3]

Also known as: World Timer, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
46mm
Case Thickness
8.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1970

Related Models

seikata-wm-699fdd1991c3