Seiko Cal. 4438 - 173

Seiko 4438-173

The 4438-173 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-b02ceef102bd]

Also known as: Bellmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
11.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1975

Related Models

seikata-wm-b02ceef102bd