Seiko Cal. 4540 - 840

Seiko 4540-840

This Quartz model from 1980 features a 46mm Hardlex-Coated Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-9218cc3306a7]

Also known as: UFO

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1980

Related Models

seikata-wm-9218cc3306a7