Seiko Cal. 6388 - 907

The 6388-907 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-2837bfdca4f2]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1976

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