Seiko Cal. 4437 - 730

Seiko 4437-730

The 4437-730 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2e2f3fde5a1d]

Also known as: Rally, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
70m
Dial Color
Silver
Jewels
26j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1989

Related Models

seikata-wm-2e2f3fde5a1d