Seiko Cal. 4461 - 659

This Hand-Winding model from 1972 features a 37mm Two-Tone case. Powered by the 4461 caliber with 20j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-e50832b584ee]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1972

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