Seiko Cal. 5646 - 159

The Seiko 5646-159 represents an important milestone in Seiko's 1978 lineup. With its 19mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-6a09e9008f8a]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1978

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