Seiko Cal. 6397 - 711

The Seiko 6397-711 represents an important milestone in Seiko's 1966 lineup. Powered by the 6397 caliber with 24j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-4ee3ffa9b198]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1966

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