Seiko Cal. 7057 - 644

The 7057-644 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7057 caliber with 21j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-6a27eddfaeb6]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1997

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