Seiko Cal. 6388 - 248

The 6388-248 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6388 caliber with 30j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-3021d9b56f9c]

Also known as: Rally, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1990

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