Seiko Cal. 3865 - 206

This Spring Drive model from 1998 features a 42mm Stainless Steel case. Powered by the 3865 caliber with 33j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-fd172bdfc5ea]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1998

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