Seiko Cal. 4445 - 390

Seiko 4445-390

The 4445-390 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4445 caliber with 32j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-57b9de6030f0]

Also known as: Samurai, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
40mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
32j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1998

Related Models

seikata-wm-57b9de6030f0