Seiko Cal. 5257 - 278

The Seiko 5257-278 represents an important milestone in Seiko's 1983 lineup. Powered by the 5257 caliber with 22j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-997320cef0fd]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1983

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