Seiko Cal. 4591 - 414

The 4591-414 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4591 caliber with 18j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-ea94f17dda56]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1985

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