Seiko Cal. 4437 - 940

Seiko 4437-940

The 4437-940 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c069eb887147]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
15.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1975

Related Models

seikata-wm-c069eb887147