Seiko Cal. 3856 - 550

The Seiko 3856-550 represents an important milestone in Seiko's 1985 lineup. Powered by the 3856 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-038bea98c0e6]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1985

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