Seiko Cal. 3810 - 997

The 3810-997 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-df945fa0fe7f]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1977

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