Seiko Cal. 6650 - 681

Seiko 6650-681

This Solar model from 1965 features a 39mm PVD Black case. With its 19mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-8b0e45ebba7e]

Also known as: Tuna, Bullhead

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
39mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Champagne
Jewels
35j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1965

Related Models

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