Seiko Cal. 6358 - 990

The Seiko 6358-990 represents an important milestone in Seiko's 1977 lineup. Powered by the 6358 caliber with 27j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-45a24ed954bb]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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