Seiko Cal. 0731 - 305

Seiko 0731-305

This Hand-Winding model from 1969 features a 45mm Two-Tone case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-76f10861d40a]

Also known as: Silverwave, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
45mm
Case Thickness
8.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
White
Jewels
22j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1969

Related Models

seikata-wm-76f10861d40a