Seiko Cal. 4540 - 346

Seiko 4540-346

This Hand-Winding model from 1982 features a 40mm Hardlex-Coated Steel case. Powered by the 4540 caliber with 28j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-1e05ecb4e657]

Also known as: Sumo, Goldfeather

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
60m
Dial Color
Silver
Jewels
28j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1982

Related Models

seikata-wm-1e05ecb4e657