Seiko Cal. 6133 - 613

The Seiko 6133-613 represents an important milestone in Seiko's 1988 lineup. Powered by the 6133 caliber with 30j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-fe6b8156e61c]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1988

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