Seiko Cal. 6681 - 272

This Spring Drive model from 1969 features a 46mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-6ea5db887dfd]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1969

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