Seiko Cal. 3812 - 975

The 3812-975 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-4ecb2b8edc9f]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1978

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