Seiko Cal. 6654 - 376

This Hand-Winding model from 1971 features a 38mm Two-Tone case. Powered by the 6654 caliber with 29j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-178c3b02d592]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1971

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