Seiko Cal. 5663 - 396

Seiko 5663-396

The 5663-396 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5663 caliber with 27j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-6d93efb82e4b]

Also known as: Tuna, UFO

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
150m
Dial Color
Green
Jewels
27j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1991

Related Models

seikata-wm-6d93efb82e4b