Seiko Cal. 4580 - 309

The Seiko 4580-309 represents an important milestone in Seiko's 1991 lineup. Powered by the 4580 caliber with 25j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-bfbdf936376b]

Also known as: Bullhead, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1991

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