Seiko Cal. 6166 - 381

The Seiko 6166-381 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-3c9cf7553d33]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1977

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