Seiko Cal. 7163 - 186

This Spring Drive model from 1965 features a 37mm Titanium case. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-5081d56fafca]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1965

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