Seiko Cal. 6637 - 879

This Solar model from 1997 features a 40mm Titanium case. It features a Burgundy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-986a75a5aa39]

Also known as: Crown, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1997

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