Seiko Cal. 4433 - 780

Seiko 4433-780

This Quartz model from 1976 features a 39mm Hardlex-Coated Steel case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ee078007791d]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Silver
Jewels
22j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1976

Related Models

seikata-wm-ee078007791d