Seiko Cal. 6364 - 190

This Spring Drive model from 1965 features a 46mm Two-Tone case. Powered by the 6364 caliber with 36j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-9c4925a0edd8]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1965

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