Seiko Cal. 7057 - 669

The Seiko 7057-669 represents an important milestone in Seiko's 1990 lineup. Powered by the 7057 caliber with 32j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-0728c3f0a6cb]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1990

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