Seiko Cal. 7030 - 709

The Seiko 7030-709 represents an important milestone in Seiko's 1977 lineup. Powered by the 7030 caliber with 28j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-ff2c1e000325]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1977

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