Seiko Cal. 3855 - 972

The 3855-972 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3855 caliber with 30j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-259d0558af8c]

Also known as: Bullhead, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1972

Related Models

• Seiko 6185-872
• Seiko 0787-606
• Seiko 7090-660
• Seiko 0796-715
• Seiko 3886-186
• Seiko 5228-690
• Seiko 3825-828
• Seiko 7043-818
• Seiko 5258-810
• Seiko 6170-103
• Seiko 6641-764
• Seiko 6232-599