Seiko Cal. 3840 - 555

The Seiko 3840-555 represents an important milestone in Seiko's 1982 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-959964fd0899]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1982

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