Seiko Cal. 4550 - 510

Seiko 4550-510

The 4550-510 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4550 caliber with 31j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-dd1545a79de8]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
150m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1968

Related Models

seikata-wm-dd1545a79de8