Seiko Cal. 5250 - 309

The Seiko 5250-309 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-d2fd439bef9d]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1970

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