Seiko Cal. 4447 - 654

Seiko 4447-654

The Seiko 4447-654 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-8ae90ddf80b7]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
110m
Dial Color
White
Jewels
22j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1971

Related Models

seikata-wm-8ae90ddf80b7