Seiko Cal. 0756 - 283

This Spring Drive model from 1965 features a 39mm Two-Tone case. Powered by the 0756 caliber with 31j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-52b10f2294d9]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1965

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