Seiko Cal. 6331 - 722

Seiko 6331-722

The 6331-722 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6331 caliber with 20j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-fb29627590d0]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
130m
Dial Color
Green
Jewels
20j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1978

Related Models

seikata-wm-fb29627590d0