Seiko Cal. 3860 - 492

This Spring Drive model from 1974 features a 45mm Two-Tone case. Powered by the 3860 caliber with 35j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-f7a7aa3ef627]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1974

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