Seiko Cal. 6388 - 446

The 6388-446 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-4dab5a284280]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1967

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