Seiko Cal. 6138 - 681

Released in 1984, the Cal. 6138 with design code 681 was part of Seiko's domestic market collection. With its 22mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-cbc6025cd7dd]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1984

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