Seiko Cal. 4557 - 712

The Seiko 4557-712 represents an important milestone in Seiko's 1983 lineup. Powered by the 4557 caliber with 18j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-af0225cc0e81]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1983

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