Seiko Cal. 6331 - 816

The 6331-816 is a sought-after Solar piece from Seiko's golden era. Powered by the 6331 caliber with 21j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-66524bc101a9]

Also known as: Pogue, Panda

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1967

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