Seiko Cal. 3863 - 941

Released in 1971, the Cal. 3863 with design code 941 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-75ac26cc0afd]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1971

Related Models

• Seiko 4445-390
• Seiko 4490-826
• Seiko 6122-713
• Seiko 5253-352
• Seiko 7010-519
• Seiko 4469-206
• Seiko 5663-483
• Seiko 7125-171
• Seiko 6679-835
• Seiko 6381-679
• Seiko 6255-621
• Seiko 4532-812