Seiko Cal. 5231 - 299

The Seiko 5231-299 represents an important milestone in Seiko's 1995 lineup. Powered by the 5231 caliber with 28j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-da838c83f563]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1995

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