Seiko Cal. 4478 - 688

Seiko 4478-688

This Automatic model from 1970 features a 37mm Two-Tone case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-1d63c0118a25]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Silver
Jewels
34j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1970

Related Models

seikata-wm-1d63c0118a25