Seiko Cal. 7165 - 531

The Seiko 7165-531 represents an important milestone in Seiko's 1982 lineup. It features a Silver dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-c3d93dab9ed3]

Also known as: Bullhead, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1982

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