Seiko Cal. 3841 - 643

The Seiko 3841-643 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-115a7a312875]

Also known as: Rally, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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