Seiko Cal. 6157 - 644

The Seiko 6157-644 represents an important milestone in Seiko's 1989 lineup. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-22a4731f1d80]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1989

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