Seiko Cal. 6125 - 638

The 6125-638 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6125 caliber with 34j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-48f7cfa45e55]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

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