Seiko Cal. 7120 - 639

The Seiko 7120-639 represents an important milestone in Seiko's 1999 lineup. Powered by the 7120 caliber with 33j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-970bb9597acd]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1999

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