Seiko Cal. 6628 - 855

The Seiko 6628-855 represents an important milestone in Seiko's 1966 lineup. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-23bc8e84e5f4]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1966

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