Seiko Cal. 5644 - 376

The Seiko 5644-376 represents an important milestone in Seiko's 1989 lineup. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-5bbd7164ee05]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1989

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