Seiko Cal. 7031 - 347

The 7031-347 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7031 caliber with 27j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-df7aed77338e]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1984

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