Seiko Cal. 3847 - 306

The Seiko 3847-306 represents an important milestone in Seiko's 1977 lineup. Powered by the 3847 caliber with 21j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-7e491a72060d]

Also known as: Helmet, Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1977

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