Seiko Cal. 7166 - 686

Released in 1996, the Cal. 7166 with design code 686 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-0dc094cd1016]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1996

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