Seiko Cal. 5687 - 183

The Seiko 5687-183 represents an important milestone in Seiko's 1990 lineup. Powered by the 5687 caliber with 22j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-902ac08ab111]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1990

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