Seiko Cal. 6643 - 855

The 6643-855 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-cd572033371d]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1996

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