Seiko Cal. 4436 - 642

Seiko 4436-642

This Spring Drive model from 1969 features a 41mm Two-Tone case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-651f3ed76114]

Also known as: Samurai, Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
41mm
Case Thickness
13.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1969

Related Models

seikata-wm-651f3ed76114