Seiko Cal. 4591 - 313

The 4591-313 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4591 caliber with 35j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-b7178917cfc1]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1984

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