Seiko Cal. 4451 - 637

The Seiko 4451-637 represents an important milestone in Seiko's 1989 lineup. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-7983f7185105]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1989

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