Seiko Cal. 6240 - 509

This Hand-Winding model from 1981 features a 36mm PVD Black case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4e4fa5db4cf0]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1981

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