Seiko Cal. 3840 - 224

This Spring Drive model from 1991 features a 45mm PVD Black case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-37011ddb9f08]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1991

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