Seiko Cal. 3872 - 644

The 3872-644 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-9b194ea976b1]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1980

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