Seiko Cal. 6658 - 746

The Seiko 6658-746 represents an important milestone in Seiko's 1986 lineup. It features a Silver dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-4d5fbc429190]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1986

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