Seiko Cal. 3860 - 977

Released in 1984, the Cal. 3860 with design code 977 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-4649e99b74eb]

Also known as: Bullhead, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1984

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