Seiko Cal. 6138 - 713

The Seiko 6138-713 represents an important milestone in Seiko's 1972 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-86dc4d74de21]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1972

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