Seiko Cal. 7057 - 723

The 7057-723 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7057 caliber with 31j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-7d6dac160a4a]

Also known as: Turtle, Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1983

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