Seiko Cal. 6311 - 424

This Spring Drive model from 1985 features a 39mm Titanium case. Powered by the 6311 caliber with 21j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-5f3f5e399b9e]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1985

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