Seiko Cal. 0754 - 639

The 0754-639 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0754 caliber with 18j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-818f45863651]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1993

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