Seiko Cal. 6378 - 528

The 6378-528 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6378 caliber with 30j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-54ba16bc3e95]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1986

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