Seiko Cal. 4577 - 877

Seiko 4577-877

This Hand-Winding model from 1978 features a 44mm Hardlex-Coated Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-60bb6d089533]

Also known as: World Timer

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Black
Jewels
34j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1978

Related Models

seikata-wm-60bb6d089533