Seiko Cal. 7120 - 399

The Seiko 7120-399 represents an important milestone in Seiko's 1987 lineup. Powered by the 7120 caliber with 25j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-fd51ac419f7f]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1987

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