Seiko Cal. 6131 - 375

The 6131-375 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6131 caliber with 21j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-2dc78dfe9ada]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

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