Seiko Cal. 0744 - 677

The 0744-677 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 0744 caliber with 20j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-eadb0dffbaa4]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1974

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