Seiko Cal. 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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