Seiko Cal. 5661 - 131

The 5661-131 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5661 caliber with 28j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-5f09fbad6ea1]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1965

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