Seiko Cal. 7030 - 391

The Seiko 7030-391 represents an important milestone in Seiko's 1971 lineup. Powered by the 7030 caliber with 19j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-c927e591901b]

Also known as: Samurai, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1971

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