Seiko Cal. 6115 - 438

The Seiko 6115-438 represents an important milestone in Seiko's 1979 lineup. Powered by the 6115 caliber with 21j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-ac15ac6bef1c]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

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