Seiko Cal. 7031 - 553

The Seiko 7031-553 represents an important milestone in Seiko's 1965 lineup. It features a Cream dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-5696fceb5b8b]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1965

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