Seiko Cal. 5646 - 920

The Seiko 5646-920 represents an important milestone in Seiko's 1993 lineup. With its 22mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-6871930ef343]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1993

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