Seiko Cal. 0744 - 427

The Seiko 0744-427 represents an important milestone in Seiko's 1977 lineup. Powered by the 0744 caliber with 23j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-fe9be20459bb]

Also known as: Crown, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1977

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