Seiko Cal. 4437 - 755

Seiko 4437-755

The 4437-755 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-12d91449db80]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Burgundy
Jewels
27j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1967

Related Models

seikata-wm-12d91449db80