Seiko Cal. 3840 - 712

This Quartz model from 1971 features a 39mm Gold-Plated case. Powered by the 3840 caliber with 33j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-fe510bd9567e]

Also known as: Samurai, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1971

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