Seiko Cal. 4451 - 820

This Hand-Winding model from 1968 features a 37mm Stainless Steel case. With its 19mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-f1d4f862fc64]

Also known as: Panda, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1968

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