Seiko Cal. 6654 - 257

The Seiko 6654-257 represents an important milestone in Seiko's 1966 lineup. Powered by the 6654 caliber with 28j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-a8b46b1f41ad]

Also known as: Rally, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1966

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