Seiko Cal. 5671 - 812

The Seiko 5671-812 represents an important milestone in Seiko's 1966 lineup. Powered by the 5671 caliber with 25j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-8218fc7b8235]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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