Seiko Cal. 7165 - 831

This Spring Drive model from 1986 features a 38mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-245cced2b654]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1986

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