Seiko Cal. 4564 - 181

The 4564-181 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4564 caliber with 22j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-ee6ce0e13abc]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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