Seiko Cal. 5638 - 184

Seiko 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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