Seiko Cal. 5661 - 813

Seiko 5661-813

This Hand-Winding model from 1988 features a 34mm Hardlex-Coated Steel case. Powered by the 5661 caliber with 32j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-e2f57e9dbed4]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Champagne
Jewels
32j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1988

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