Seiko Cal. 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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