Seiko Cal. 5661 - 331

The 5661-331 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5661 caliber with 22j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-dcaae2a342e4]

Also known as: Sea Horse, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1994

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