Seiko Cal. 7061 - 255

The Seiko 7061-255 represents an important milestone in Seiko's 1973 lineup. Powered by the 7061 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-b4acdb9eeddd]

Also known as: Tuna, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1973

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