Seiko Cal. 7057 - 221

The 7057-221 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7057 caliber with 27j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-46b8dfd2555e]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1999

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