Seiko Cal. 6388 - 488

The 6388-488 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6388 caliber with 24j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-43bc21be59bb]

Also known as: Bellmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1965

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