Seiko Cal. 6371 - 511

Seiko 6371-511

The Seiko 6371-511 represents an important milestone in Seiko's 1970 lineup. Powered by the 6371 caliber with 33j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-6e710808cee4]

Also known as: Monster, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
46mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1970

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