Seiko Cal. 5681 - 421

The Seiko 5681-421 represents an important milestone in Seiko's 1984 lineup. It features a White dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-d0ba9dc8012e]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1984

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