Seiko Cal. 7056 - 400

The 7056-400 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-3b57ef59eca7]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1973

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