Seiko Cal. 5257 - 873

The Seiko 5257-873 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-2b71485eff63]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1977

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