Seiko Cal. 4420 - 933

Seiko 4420-933

The Seiko 4420-933 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-905a9e8395df]

Also known as: Monster, Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
10.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Silver
Jewels
19j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1967

Related Models

seikata-wm-905a9e8395df