Seiko Cal. 4440 - 907

Seiko 4440-907

The 4440-907 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-37360c6f03ac]

Also known as: Silverwave, Crown

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
39mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Green
Jewels
23j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1993

Related Models

seikata-wm-37360c6f03ac