Seiko Cal. 6688 - 223

The Seiko 6688-223 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-3c36cfdd8932]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1986

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