Seiko Cal. 5640 - 256

This Automatic model from 1988 features a 46mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-384e47fd8a95]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1988

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