Seiko Cal. 3877 - 645

The 3877-645 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-0223be4cab50]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1982

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