Seiko Cal. 7028 - 439

The Seiko 7028-439 represents an important milestone in Seiko's 1980 lineup. Powered by the 7028 caliber with 29j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-2950fdbbb468]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1980

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