Seiko Cal. 5630 - 617

Seiko 5630-617

The Seiko 5630-617 represents an important milestone in Seiko's 1973 lineup. Powered by the 5630 caliber with 28j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-2d66c159061c]

Also known as: World Timer, Arnie

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1973

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seikata-wm-2d66c159061c