Seiko Cal. 6650 - 898

This Hand-Winding model from 1978 features a 37mm Two-Tone case. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-1859745634e6]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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