Seiko Cal. 6291 - 640

This Automatic model from 1965 features a 37mm Titanium case. Powered by the 6291 caliber with 31j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-1a75aa9f44be]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1965

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