Seiko Cal. 5674 - 903

The Seiko 5674-903 represents an important milestone in Seiko's 1971 lineup. Powered by the 5674 caliber with 30j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-45308a434d00]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1971

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