Seiko Cal. 6257 - 274

This Solar model from 1991 features a 40mm PVD Black case. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-1706aeda9d51]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1991

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