Seiko Cal. 6161 - 638

The Seiko 6161-638 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-b536acfa1f81]

Also known as: Samurai, Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1978

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