Seiko Cal. 7188 - 900

The Seiko 7188-900 represents an important milestone in Seiko's 1993 lineup. Powered by the 7188 caliber with 31j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-9703aceb65d5]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1993

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