Seiko Cal. 4491 - 702

Seiko 4491-702

The 4491-702 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4491 caliber with 30j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-f1b52feccc19]

Also known as: Sportsmatic, Navigator

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
40mm
Case Thickness
15.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1999

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