Seiko Cal. 6180 - 338

The Seiko 6180-338 represents an important milestone in Seiko's 1984 lineup. Powered by the 6180 caliber with 28j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-cd99418d4573]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1984

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