Seiko Cal. 6646 - 501

This Hand-Winding model from 1975 features a 36mm Stainless Steel case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a0dbe1bd1473]

Also known as: Panda, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1975

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