Seiko Cal. 7178 - 327

The 7178-327 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7178 caliber with 30j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-b1535002b1a8]

Also known as: Bullhead, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1998

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