Seiko Cal. 6657 - 799

Released in 1971, the Cal. 6657 with design code 799 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-d7f6aa68eb79]

Also known as: Samurai, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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