Seiko Cal. 6337 - 731

Seiko 6337-731

The Seiko 6337-731 represents an important milestone in Seiko's 1982 lineup. Powered by the 6337 caliber with 20j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-706e452a542a]

Also known as: Shogun, Bullhead

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
43mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1982

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