Seiko Cal. 7137 - 557

The Seiko 7137-557 represents an important milestone in Seiko's 1975 lineup. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-6632b5899a6f]

Also known as: Rally, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1975

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