Seiko Cal. 3857 - 160

The Seiko 3857-160 represents an important milestone in Seiko's 1969 lineup. Powered by the 3857 caliber with 22j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-3ba0b6a31326]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1969

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