Seiko Cal. 3855 - 405

The Seiko 3855-405 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-a9ddd84934d5]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1973

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