Seiko Cal. 7031 - 342

The Seiko 7031-342 represents an important milestone in Seiko's 1997 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-793bc9e45d5c]

Also known as: Sumo, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1997

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