Seiko Cal. 5619 - 637

Seiko 5619-637

This Automatic model from 1976 features a 43mm Hardlex-Coated Steel case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c0de67962f61]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1976

Related Models

seikata-wm-c0de67962f61