Seiko Cal. 3851 - 510

The 3851-510 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-df0ccf8ea6b1]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1980

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