Seiko Cal. 6388 - 438

Released in 1979, the Cal. 6388 with design code 438 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-5dd16dff21cb]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1979

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