Seiko Cal. 7031 - 370

Released in 1999, the Cal. 7031 with design code 370 was part of Seiko's domestic market collection. Powered by the 7031 caliber with 28j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-6da9da40501d]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1999

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