Seiko Cal. 4477 - 870

This Spring Drive model from 1992 features a 37mm Two-Tone case. Powered by the 4477 caliber with 24j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-a9178c190488]

Also known as: Monster, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1992

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