Seiko Cal. 4440 - 723

Seiko 4440-723

The 4440-723 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-152270ea86d0]

Also known as: Samurai

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Silver
Jewels
22j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1976

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