Seiko Cal. 3856 - 577

The Seiko 3856-577 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-23c0c2a7a33b]

Also known as: Turtle, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1971

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