Seiko Cal. 5671 - 407

The Seiko 5671-407 represents an important milestone in Seiko's 1974 lineup. It features a Navy dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-d833bf9bbd24]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1974

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