Seiko Cal. 7183 - 338

Seiko 7183-338

Released in 1987, the Cal. 7183 with design code 338 was part of Seiko's domestic market collection. Powered by the 7183 caliber with 30j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-7d5fc23aab9d]

Also known as: Monster, Sumo

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
White
Jewels
30j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1987

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