Seiko Cal. 6621 - 217

This Hand-Winding model from 1990 features a 39mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-f771dbf59491]

Also known as: Monster, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1990

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