Seiko Cal. 6174 - 660

Seiko 6174-660

The Seiko 6174-660 represents an important milestone in Seiko's 1987 lineup. Powered by the 6174 caliber with 34j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-306bbfbd4b4c]

Also known as: Monster, Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
8.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Green
Jewels
34j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1987

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