Seiko Cal. 7031 - 999

The Seiko 7031-999 represents an important milestone in Seiko's 1969 lineup. Powered by the 7031 caliber with 22j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-e93a270451aa]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1969

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