Seiko Cal. 6138 - 316

The 6138-316 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6138 caliber with 18j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-0365298a5bb5]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1992

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