Seiko Cal. 5628 - 681

This Spring Drive model from 1967 features a 40mm PVD Black case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ec6c9b20a230]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1967

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