Seiko Cal. 6687 - 714

The 6687-714 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-bc507573a2fc]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1976

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