Seiko Cal. 6378 - 625

The 6378-625 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6378 caliber with 22j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-e3e69cbc83ad]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1990

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