Seiko Cal. 3840 - 726

The 3840-726 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3840 caliber with 36j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-98aac18e0e63]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1977

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