Seiko Cal. 5291 - 490

The Seiko 5291-490 represents an important milestone in Seiko's 1979 lineup. Powered by the 5291 caliber with 36j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-6714b10916e3]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1979

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