Seiko Cal. 5638 - 184

The Seiko 5638-184 represents an important milestone in Seiko's 1984 lineup. Powered by the 5638 caliber with 19j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-4fd47d28e3d3]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1984

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