Seiko Cal. 6354 - 688

The Seiko 6354-688 represents an important milestone in Seiko's 1971 lineup. Powered by the 6354 caliber with 29j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-06ce0a1e8970]

Also known as: UFO, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1971

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