Seiko Cal. 6691 - 257

The 6691-257 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-1645541d7a79]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1993

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