Seiko Cal. 4443 - 280

Seiko 4443-280

The 4443-280 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4443 caliber with 30j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-7b9c253d5cb3]

Also known as: Helmet, Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Green
Jewels
30j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1983

Related Models

seikata-wm-7b9c253d5cb3