Seiko Cal. 6621 - 516

Released in 1968, the Cal. 6621 with design code 516 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-dee586af5b0b]

Also known as: Monster, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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