Seiko Cal. 6131 - 305

The Seiko 6131-305 represents an important milestone in Seiko's 1982 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-54222f39cef8]

Also known as: Panda, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1982

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