Seiko Cal. 3856 - 277

The Seiko 3856-277 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-017d5108759d]

Also known as: Navigator, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1971

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