Seiko Cal. 6337 - 518

Seiko 6337-518

The 6337-518 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6337 caliber with 32j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-8dff5c7b044a]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Burgundy
Jewels
32j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1978

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