Seiko Cal. 7140 - 744

This Spring Drive model from 1968 features a 39mm PVD Black case. Powered by the 7140 caliber with 23j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-62ec7b410228]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1968

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