Seiko Cal. 4446 - 455

Seiko 4446-455

This Hand-Winding model from 1965 features a 36mm Stainless Steel case. Powered by the 4446 caliber with 21j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-ab20479fe9fe]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Burgundy
Jewels
21j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1965

Related Models

seikata-wm-ab20479fe9fe