Seiko Cal. 4491 - 656

Seiko 4491-656

The 4491-656 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4491 caliber with 28j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-8ddba3164f93]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Cream
Jewels
28j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1969

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