Seiko Cal. 4478 - 693

Seiko 4478-693

The Seiko 4478-693 represents an important milestone in Seiko's 1988 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-2703affb6009]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
12.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Black
Jewels
33j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1988

Related Models

seikata-wm-2703affb6009