Seiko Cal. 5646 - 462

Seiko 5646-462

The 5646-462 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5646 caliber with 27j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-dc2531b84064]

Also known as: UFO, Silverwave

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
15.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1972

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seikata-wm-dc2531b84064