Seiko Cal. 6240 - 777

The 6240-777 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-08c0315564a9]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1992

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