Seiko Cal. 6311 - 897

Seiko 6311-897

The Seiko 6311-897 represents an important milestone in Seiko's 1985 lineup. Powered by the 6311 caliber with 18j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-357e8a76fe94]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Green
Jewels
18j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1985

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