Seiko Cal. 6655 - 813

The Seiko 6655-813 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-e677e7e0d467]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1986

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