Seiko Cal. 6647 - 358

The Seiko 6647-358 represents an important milestone in Seiko's 1969 lineup. Powered by the 6647 caliber with 27j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-afe08fbf4433]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1969

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