Seiko Cal. 5223 - 231

Seiko 5223-231

The 5223-231 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5223 caliber with 28j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-99da7bb96f9b]

Also known as: Sumo, UFO

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Champagne
Jewels
28j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1974

Related Models

seikata-wm-99da7bb96f9b