Seiko Cal. 6665 - 690

The Seiko 6665-690 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-99c5c0b94625]

Also known as: Bullhead, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1986

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