Seiko Cal. 6613 - 755

This Hand-Winding model from 1970 features a 45mm Two-Tone case. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-8a5516aecaba]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1970

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