Seiko Cal. 7057 - 743

The Seiko 7057-743 represents an important milestone in Seiko's 1978 lineup. Powered by the 7057 caliber with 26j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-1cf535c55676]

Also known as: Tuna, World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1978

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