Seiko Cal. 5623 - 303

Seiko 5623-303

The 5623-303 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-8b1451b19e3b]

Also known as: Tuna, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Burgundy
Jewels
32j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1968

Related Models

seikata-wm-8b1451b19e3b