Seiko Cal. 4551 - 621

Seiko 4551-621

This Quartz model from 1979 features a 41mm Titanium case. Powered by the 4551 caliber with 28j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-af407704e8c3]

Also known as: Sumo, UFO

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
41mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1979

Related Models

seikata-wm-af407704e8c3