Seiko Cal. 3816 - 421

This Hand-Winding model from 1991 features a 41mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-aeb23b0ea8f2]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1991

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