Seiko Cal. 4491 - 881

Seiko 4491-881

The 4491-881 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4491 caliber with 29j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-99775a002ce6]

Also known as: Bellmatic, Arnie

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
40mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Navy
Jewels
29j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1984

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seikata-wm-99775a002ce6