Seiko Cal. 5240 - 645

The Seiko 5240-645 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-60a24a20ddf1]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1981

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