Seiko Cal. 7057 - 544

Released in 1981, the Cal. 7057 with design code 544 was part of Seiko's domestic market collection. Powered by the 7057 caliber with 26j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-ea3aecd0cd12]

Also known as: Helmet, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

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