Seiko Cal. 6398 - 617

This Automatic model from 1973 features a 36mm Hardlex-Coated Steel case. Powered by the 6398 caliber with 27j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-d23bf38b4842]

Also known as: Crown, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1973

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