Seiko Cal. 6654 - 857

The 6654-857 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-a110b7dc2cc5]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1978

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