Seiko Cal. 3837 - 384

The Seiko 3837-384 represents an important milestone in Seiko's 1978 lineup. Powered by the 3837 caliber with 32j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-a4de8aeda2ff]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1978

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