Seiko Cal. 6375 - 366

This Spring Drive model from 1970 features a 46mm Two-Tone case. Powered by the 6375 caliber with 22j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-3fb49ea03c8d]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1970

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