Seiko Cal. 3856 - 504

The Seiko 3856-504 represents an important milestone in Seiko's 1968 lineup. Powered by the 3856 caliber with 24j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-5694aaa4645b]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1968

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