Seiko Cal. 5684 - 851

This Automatic model from 1970 features a 37mm Two-Tone case. Powered by the 5684 caliber with 22j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-7adc445755a9]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1970

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