Seiko Cal. 6621 - 315

The Seiko 6621-315 represents an important milestone in Seiko's 1990 lineup. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-ff5ab42ccd03]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1990

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