Seiko Cal. 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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