Seiko Cal. 5646 - 978

Seiko 5646-978

The Seiko 5646-978 represents an important milestone in Seiko's 1976 lineup. With its 22mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-0f756edc6dbc]

Also known as: Samurai, Goldfeather

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
9.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
140m
Dial Color
Champagne
Jewels
25j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1976

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