Seiko Cal. 4521 - 825

Seiko 4521-825

This Solar model from 1965 features a 37mm Titanium case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-213859836124]

Also known as: Sumo, UFO

Specifications

Movement
Solar
Case Material
Titanium
Case Width
37mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Green
Jewels
34j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1965

Related Models

seikata-wm-213859836124