Seiko Cal. 4436 - 422

Seiko 4436-422

The 4436-422 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-35e036c31272]

Also known as: Tuna, Helmet

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
12.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1975

Related Models

seikata-wm-35e036c31272