Seiko Cal. 4561 - 402

This Solar model from 1966 features a 37mm PVD Black case. Powered by the 4561 caliber with 36j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-7370a2d5c6ad]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1966

Related Models

• Seiko 6648-323
• Seiko 3810-192
• Seiko 7019-627
• Seiko 3895-496
• Seiko 7157-176
• Seiko 4462-933
• Seiko 7189-716
• Seiko 6231-397
• Seiko 4420-892
• Seiko 0774-543
• Seiko 5247-266
• Seiko 7155-823