Seiko Cal. 4511 - 581

The Seiko 4511-581 represents an important milestone in Seiko's 1986 lineup. Powered by the 4511 caliber with 30j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-40c7999c68b8]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1986

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