Seiko Cal. 6312 - 820

The 6312-820 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6312 caliber with 27j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-4453a9d53bb9]

Also known as: Turtle, Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1974

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