Seiko Cal. 4534 - 997

Seiko 4534-997

The Seiko 4534-997 represents an important milestone in Seiko's 1978 lineup. Powered by the 4534 caliber with 17j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-d744f7540c5a]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
40mm
Case Thickness
13.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
180m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1978

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