Seiko Cal. 6646 - 308

This Hand-Winding model from 1983 features a 46mm Gold-Plated case. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-1783d3a4d07a]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1983

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