Seiko Cal. 6388 - 241

The Seiko 6388-241 represents an important milestone in Seiko's 1968 lineup. Powered by the 6388 caliber with 21j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-7bf83ce50cc3]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1968

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