Seiko Cal. 4557 - 837

The Seiko 4557-837 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-97c29b90f070]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1972

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