Seiko Cal. 3837 - 455

The Seiko 3837-455 represents an important milestone in Seiko's 1978 lineup. Powered by the 3837 caliber with 18j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-db4e177bd4fa]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1978

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