Seiko Cal. 5667 - 307

The Seiko 5667-307 represents an important milestone in Seiko's 1978 lineup. Powered by the 5667 caliber with 36j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-474ea70ef457]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1978

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