Seiko Cal. 6378 - 691

Seiko 6378-691

The 6378-691 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-16146a3cd6d8]

Also known as: Panda, UFO

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1987

Related Models

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