Seiko Cal. 3898 - 722

The Seiko 3898-722 represents an important milestone in Seiko's 1988 lineup. Powered by the 3898 caliber with 35j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-1b6a6d13488a]

Also known as: Sea Horse, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1988

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