Seiko Cal. 7188 - 863

The Seiko 7188-863 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-99b2b1cbd02f]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1971

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