Seiko Cal. 3878 - 642

The 3878-642 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-4667a2a5b371]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1979

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