Seiko Cal. 7183 - 387

Seiko 7183-387

The Seiko 7183-387 represents an important milestone in Seiko's 1991 lineup. Powered by the 7183 caliber with 31j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-179539edb1c9]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
9.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1991

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