Seiko Cal. 4478 - 633

Seiko 4478-633

The Seiko 4478-633 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-ebf67ca391b8]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Cream
Jewels
28j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1968

Related Models

seikata-wm-ebf67ca391b8