Seiko Cal. 7031 - 503

The 7031-503 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-04d05aadf463]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1999

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