Seiko Cal. 4445 - 737

Seiko 4445-737

The 4445-737 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4445 caliber with 31j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-055c28547b43]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
9.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1993

Related Models

seikata-wm-055c28547b43