Seiko Cal. 6638 - 805

The 6638-805 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-a59be15ebec4]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1970

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