Seiko Cal. 0725 - 660

Released in 1968, the Cal. 0725 with design code 660 was part of Seiko's domestic market collection. Powered by the 0725 caliber with 29j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-0bf1bc6405d0]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1968

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