Seiko Cal. 5642 - 402

The Seiko 5642-402 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-d59d7741ae7b]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1991

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