Seiko Cal. 3847 - 999

Released in 1965, the Cal. 3847 with design code 999 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-ad7feb1d2e41]

Also known as: Monster, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1965

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