Seiko Cal. 6131 - 654

The Seiko 6131-654 represents an important milestone in Seiko's 1989 lineup. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-cdd40c5e1558]

Also known as: Monster, Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1989

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