Seiko Cal. 6681 - 166

Released in 1985, the Cal. 6681 with design code 166 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-f1c629b6531f]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1985

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