Seiko Cal. 3813 - 960

The Seiko 3813-960 represents an important milestone in Seiko's 1971 lineup. Powered by the 3813 caliber with 24j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-d77d29408996]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1971

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