Seiko Cal. 6180 - 363

The Seiko 6180-363 represents an important milestone in Seiko's 1977 lineup. Powered by the 6180 caliber with 21j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-0eabb50c3edf]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1977

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