Seiko Cal. 6351 - 371

The Seiko 6351-371 represents an important milestone in Seiko's 1970 lineup. Powered by the 6351 caliber with 18j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-601e41495e8b]

Also known as: Navigator, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1970

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