Seiko Cal. 6644 - 587

This Hand-Winding model from 1983 features a 35mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-092b10dcfc10]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1983

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