Seiko Cal. 0791 - 631

The Seiko 0791-631 represents an important milestone in Seiko's 1983 lineup. Powered by the 0791 caliber with 30j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-c01f54e1da21]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1983

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