Seiko Cal. 6689 - 331

Seiko 6689-331

This Spring Drive model from 1977 features a 41mm PVD Black case. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-0d481254ef46]

Also known as: Golden Tuna, Arnie

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
12.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Champagne
Jewels
31j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1977

Related Models

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