Seiko Cal. 3843 - 645

The Seiko 3843-645 represents an important milestone in Seiko's 1979 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-2012ad1bd66c]

Also known as: Silverwave, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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