Seiko Cal. 3851 - 871

The Seiko 3851-871 represents an important milestone in Seiko's 1970 lineup. Powered by the 3851 caliber with 34j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-43c8a7b12794]

Also known as: Navigator, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1970

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