Seiko Cal. 6654 - 160

Released in 1968, the Cal. 6654 with design code 160 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-35b42dfe1bbf]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1968

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