Seiko Cal. 6687 - 521

Seiko 6687-521

This Hand-Winding model from 1973 features a 37mm Two-Tone case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-bacdce241683]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
14.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
130m
Dial Color
Black
Jewels
29j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1973

Related Models

seikata-wm-bacdce241683