Seiko Cal. 3856 - 540

The Seiko 3856-540 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-79759c4dfc4e]

Also known as: Turtle, Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

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