Seiko Cal. 6684 - 284

This Spring Drive model from 1970 features a 42mm Stainless Steel case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-58f4d382db27]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1970

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