Seiko Cal. 6166 - 557

The Seiko 6166-557 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-5f92b463fd9b]

Also known as: Crown, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1979

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