Seiko Cal. 6240 - 146

The Seiko 6240-146 represents an important milestone in Seiko's 1990 lineup. Powered by the 6240 caliber with 18j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-beb53e113b3a]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1990

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