Seiko Cal. 6646 - 674

The 6646-674 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-a8fe9cfcba49]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1996

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