Seiko Cal. 4478 - 913

Seiko 4478-913

The Seiko 4478-913 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-5686a6498f26]

Also known as: Silverwave, Bellmatic

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Navy
Jewels
23j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1978

Related Models

seikata-wm-5686a6498f26