Seiko Cal. 4447 - 637

Seiko 4447-637

The Seiko 4447-637 represents an important milestone in Seiko's 1987 lineup. Powered by the 4447 caliber with 29j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-6c19754f5985]

Also known as: Pogue, Golden Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1987

Related Models

seikata-wm-6c19754f5985