Seiko Cal. 5644 - 804

The Seiko 5644-804 represents an important milestone in Seiko's 1990 lineup. Powered by the 5644 caliber with 27j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-ff14a35851e0]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1990

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