Seiko Cal. 4478 - 557

Seiko 4478-557

The Seiko 4478-557 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4b437ad43013]

Also known as: Tuna, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1969

Related Models

seikata-wm-4b437ad43013