Seiko Cal. 5691 - 665

The Seiko 5691-665 represents an important milestone in Seiko's 1991 lineup. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-9862b2ab6046]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1991

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