Seiko Cal. 6687 - 563

Seiko 6687-563

This Automatic model from 1997 features a 40mm Gold-Plated case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-138b4393ecf4]

Also known as: Tuna, Helmet

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1997

Related Models

seikata-wm-138b4393ecf4