Seiko Cal. 4438 - 623

Seiko 4438-623

The 4438-623 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-535c04142f13]

Also known as: Monster, Goldfeather

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1978

Related Models

seikata-wm-535c04142f13