Seiko Cal. 4477 - 821

Seiko 4477-821

The 4477-821 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-05c8d6b04b15]

Also known as: Bullhead, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1993

Related Models

seikata-wm-05c8d6b04b15