Seiko Cal. 6335 - 312

The Seiko 6335-312 represents an important milestone in Seiko's 1970 lineup. Powered by the 6335 caliber with 30j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-9f12a2e7c9fa]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1970

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