Seiko Cal. 6689 - 736

The Seiko 6689-736 represents an important milestone in Seiko's 1986 lineup. It features a Cream dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-c8a47466ed04]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1986

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