Seiko Cal. 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

Related Models

• Seiko 7140-404
• Seiko 4481-980
• Seiko 5280-260
• Seiko 7123-973
• Seiko 3829-507
• Seiko 5647-276
• Seiko 5679-961
• Seiko 0748-746
• Seiko 6330-538
• Seiko 6366-941
• Seiko 4514-374
• Seiko 5216-162