Seiko Cal. 6643 - 299

The 6643-299 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-f37124f58554]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1978

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