Seiko Cal. 6649 - 576

The 6649-576 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-3ea5a14cb1a5]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1975

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