Seiko Cal. 6658 - 950

The Seiko 6658-950 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-221979f897e1]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1972

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