Seiko Cal. 6664 - 255

The 6664-255 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6664 caliber with 26j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-09c4bfbeb5e3]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1978

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