Seiko Cal. 6331 - 633

The 6331-633 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-6ec891de4110]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1966

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