Seiko Cal. 5646 - 603

Seiko 5646-603

The 5646-603 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5646 caliber with 36j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-fbd62d6f44a6]

Also known as: Shogun

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
45mm
Case Thickness
11.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1993

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