Seiko Cal. 3860 - 398

The 3860-398 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3860 caliber with 17j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-e87ac3ae48f0]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1996

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