Seiko Cal. 4438 - 991

Seiko 4438-991

The 4438-991 is a sought-after Solar piece from Seiko's golden era. Powered by the 4438 caliber with 29j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-6ce3e8e4ae96]

Also known as: Samurai

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
38mm
Case Thickness
10.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1982

Related Models

seikata-wm-6ce3e8e4ae96