Seiko Cal. 5634 - 709

The Seiko 5634-709 represents an important milestone in Seiko's 1989 lineup. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-863dc45b1187]

Also known as: Bullhead, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1989

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