Seiko Cal. 3840 - 526

This Quartz model from 1976 features a 34mm Gold-Plated case. Powered by the 3840 caliber with 25j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-b973e9796afe]

Also known as: Sumo, Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1976

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