Seiko Cal. 6644 - 524

This Hand-Winding model from 1980 features a 46mm Stainless Steel case. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-5172f371a9f9]

Also known as: UFO, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1980

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