Seiko Cal. 6615 - 674

The Seiko 6615-674 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-18d6635c4f76]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1976

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