Seiko Cal. 6613 - 671

The Seiko 6613-671 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-c2abaf0609c2]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1977

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