Seiko Cal. 4491 - 684

Seiko 4491-684

The 4491-684 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4491 caliber with 34j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-a7e87bd76c09]

Also known as: Tuna, Rally

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
11.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Champagne
Jewels
34j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1966

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seikata-wm-a7e87bd76c09