Seiko Cal. 7125 - 404

The 7125-404 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7125 caliber with 23j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-e7a8af298347]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1994

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