Seiko Cal. 6371 - 165

This Automatic model from 1976 features a 43mm Hardlex-Coated Steel case. Powered by the 6371 caliber with 17j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-edc89fe07941]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

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