Seiko Cal. 6381 - 177

Seiko 6381-177

The Seiko 6381-177 represents an important milestone in Seiko's 1998 lineup. Powered by the 6381 caliber with 36j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-5ba3c1a2a676]

Also known as: Monster, Sportsmatic

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
43mm
Case Thickness
12.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1998

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seikata-wm-5ba3c1a2a676