Seiko Cal. 6138 - 393

The Seiko 6138-393 represents an important milestone in Seiko's 1972 lineup. Powered by the 6138 caliber with 24j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-f2dbb88a9faf]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1972

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