Seiko Cal. 5671 - 721

The Seiko 5671-721 represents an important milestone in Seiko's 1969 lineup. Powered by the 5671 caliber with 33j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-da1c30c96b4d]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1969

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