Seiko Cal. 6678 - 431

Seiko 6678-431

The 6678-431 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-162a09297d5c]

Also known as: Crown, Emperor

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
10.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1981

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seikata-wm-162a09297d5c