Seiko Cal. 7166 - 510

The Seiko 7166-510 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-8d57e29b8882]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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