Seiko Cal. 6681 - 423

The Seiko 6681-423 represents an important milestone in Seiko's 1990 lineup. It features a Cream dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-39a314edc91f]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1990

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