Seiko Cal. 6616 - 454

This Hand-Winding model from 1989 features a 42mm Titanium case. Powered by the 6616 caliber with 32j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-73967be6abfd]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1989

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