Seiko Cal. 4491 - 176

Seiko 4491-176

The 4491-176 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4491 caliber with 23j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-25e914cfdcec]

Also known as: Silverwave, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
10.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Navy
Jewels
23j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1998

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