Seiko Cal. 5640 - 265

The Seiko 5640-265 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-f20b185d4d4c]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1983

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