Seiko Cal. 6648 - 994

This Hand-Winding model from 1991 features a 44mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-ad8f5f41b8e6]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1991

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