Seiko Cal. 6636 - 444

Seiko 6636-444

The Seiko 6636-444 represents an important milestone in Seiko's 1970 lineup. Powered by the 6636 caliber with 27j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-4c0538145e6e]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
9.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Black
Jewels
27j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1970

Related Models

seikata-wm-4c0538145e6e