Seiko Cal. 0725 - 337

The 0725-337 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0725 caliber with 17j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-815c3319906b]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1975

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