Seiko Cal. 6177 - 490

The Seiko 6177-490 represents an important milestone in Seiko's 1987 lineup. Powered by the 6177 caliber with 27j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-042c9c978669]

Also known as: Navigator, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1987

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